Window construction



April 15, 1958 J. c. BANCROFT WINDOW CONSTRUCTION Filed Oct. 31, 1956INVENTOR. J oseph C. Bancroft BY I dffiorggy United States Patent O pWlNDOW CONSTRUCTION Joseph C. Bancroft, Jamestown, N. Y.

Application October 31, 1956, Serial No. 619,530

4 Claims. (Cl. 1878) This invention relates to window construction, andmore particularly to windows of the awning type, but applicable also toother types of windows.

The invention has special reference to means by which the panes aremounted in the frames, and it is one of the objects of the presentinvention to provide a pane installation which will permit the panes tobe installed from the interior of a building or from the inner side ofthe frame. Through the arrangement to be hereinafter described, the useof putty or similar glazing materials will be obviated; the panes can beinstalled in the sashes from inside of the building and thepane-retaining means fitted from the same side, thus avoiding thedangers incidental to using ladders or scaffolding when inserting thepanes.

It is still another object of the invention to provide a novelarrangement for the installation of weather-stripping, particularlyadaptable for sashes of the type disclosed herein, and which will beeffective to provide serviceable weathertight construction installableat the rear of the pane. It is still another object of the invention toprovide a sash frame provided at the outer side with an inclinedpane-encompassing flange which not only effectively increases theappearance of the frame, but provides a secure mounting for the pane.

With these, and other objects to be hereinafter set forth in view, Ihave devised the arrangement of parts to be described and moreparticularly pointed out in the c.aims appended .hereto.

In the accompanying drawing, wherein an illustrative embodiment of theinvention is disclosed,

Fig. l is a sectional view in perspective, of part of a sash frameconstructed in accordance with the invention;

Fig. 2 is an enlarged cross-sectional view through a portion oftheframe, showing the installationof the pane and the Weatherstrippingtherefor;

Fig. 3 is a view on a reduced scale, of the structure shown in Fig. 2,looking at the same from the left of Fig. 2;

Fig. 4 is a front elevational view of a corner portion of a sashconstructed according to the invention, and

Fig. 5 is a horizontal sectional view through a part of a window frameshowing the installation of an immovable or picture window and one ofthe sashes of an awning window.

Referring to the drawing, 1 indicates generally the frame of a sash,which can be of the type employed in awning windows or of othercharacter. The frame is preferably, but not necessarily, composed ofextruded aluminum and is shaped to provide an outer flange or facingstrip 20 formed with a rearwardly-extending web 21 at right angles toit. Said web 21 is provided at one end with the flange 8 formed at itsend on its inner side with a rounded bead shown at 9. At the end of thefront facing strip 20 is provided an angular or inclined strip or flangethickened at its upper end and formed with a pocket 4 in the form of acontinuous groove which may be filled with a suitable sealing compoundor with a compressible assasst Patented Apr. 15, 1%58 plastic sealingstrip. Located between the inclined strip or front flange 3 and the rearflange 8, is a wall 7 and this arrangement results in the formation of afront panereceiving groove 2 located between the inclined front strip 3and the wall 7 as well as a rear sealing-strip groove 12, locatedbetween the wall 7 and the rear flange S.

The manner in which the pane is mounted in the frame above describedwill be apparent from Fig. 2, wherein it will be noted that the marginaledge of the pane 5 fits into the groove 2 and is thus positioned betweenthe inclined strip or front flange 3 and the wall 7. Suitable spacingelements 6 may be interposed between the edge of the pane and the innersurface of the piece 21. The groove shown at 12 receives a sealing orweathersrtip 11 which may consist of a strip of vinyl plastic material,and it has one edge inserted into the groove 12 and locked therein byengagement of a groove 10, formed in the plastic strip, with the bead 9provided on the flange 8. This arrangement is such that the Weatherstripis snapped in place in the groove 12 and the engagement of its groove 19with the bead 9 insures retention of the strip in a manner to secure theengagement of the face 22 of the strip 11 firmly but resiliently againstthe surface of the pane 5. The pane is thus held between the portion 22of the strip that rises out of the groove 12, and the inclined strip 3.The inclined front strip or flange 3 is located on the outer side of theframe so that the installed pane is set back from the front of the frameand a depressed effect of the pane is secured. Since the Weatherstrip 11is inserted at the rear of the pane, both it and the pane can beinserted in the sash frame by a workman operating from inside of thebuilding, and the hazards of ladders and scaffolding are therebyobviated. The replacement of a a broken pane is also greatly simplifiedsince it involves merely a removal of the Weatherstrip and the brokenpieces of the pane and the insertion of a new pane and replacement ofthe Weatherstrip, or the possible insertion of a new section ofWeatherstrip.

When a sash frame as herein described is employed in an awning window asshown at the right in Fig. 5, the sash, when in its closed position, canabut against a Weatherstrip 14 inserted in the fixed frame 15 of thewindow. At the left in Fig. 5 is shown the manner in which the improvedframe can be employed in conjunction with a fixed or immovable windowsuch as a so-called picture window. In this arrangement the frame 17 issuitably connected to the vertical post 16, and frame 17 is formed atits outer side with the inclined strip 18 corresponding to that shown at3 in the sash frame of Figs. 1 and 2. The fixed pane 19 is maintainedbetween the end of the strip 18 and a plastic-material Weatherstrip 20held in a groove formed in the frame member 21.

From the foregoing, it will be apparent that the structure describedprovides a construction in which the installation of the panes is simpleand readily performed from the interior of the building. It results in asash provided with a permanent, inclined water deflector arranged aroundthe exterior of the pane and which adds materially to the appearance ofthe sash, and possesses many other advantages readily apparent to thoseskilled in this art.

Having described an embodiment of the invention, it is obvious that thesame is not to be restricted thereto, but is broad enough to cover allstructures coming within the scope of the annexed claims.

What I claim is:

1. In a window frame construction, a sash having a frame provided with agroove for receiving the marginal edges of a pane, a pane fitted in saidgroove, said groove being defined along the outside of the frame by aninclined flange having its free edge in contact with the pane at a pointinwardly of the edge of the pane, said groove being defined along theinside of the frame by a wall of less height than the inclined flange,said wall and flange being formed integrally with the frame, said framehaving a second groove at the rear of the pane and beyond the wall, anda sealing strip of flexible material confined in said groove and havinga part projecting out of the same and disposed in sealing contact withthe rear face of the pane adjacent to the peripheral edge of the pane.

2. In a window frame construction, a sash having a frame provided with agroove for receiving the marginal edges of a pane, a pane fitted in saidgroove, said groove being defined along the outside of the frame by aninclined flange having a free edge in contact with the pane at a pointinwardly of the edge of the pane, said edge having a groove for sealingmaterial, said frame having an integral vertical wall at the rear of thepane and having a second groove behind the wall, a sealing strip offlexible plastic material engaged in said second groove and having apart projecting out beyond the same and extending above the wall anddisposed in sealing contact with the rear face of the pane adjacent tothe peripheral edge of the pane, and interengaging elements on the stripand a part of the frame for holding the strip in its groove.

3. In a window frame construction, a frame provided with apane-receiving groove, a pane having its edge fitted in said groove, thefront of the frame having an inwardly-inclined flange having an edgedisposed against the pane, a wall at the back of the pane, a groove atthe rear of the Wall, a sealing strip confined in the latter groove andhaving a part projecting out of the same and disposed in contact withthe rear face of the pane, said strip being of flexible plasticmaterial.

4. A window frame comprising of an extrusion formed with a front Web anda second web at right angles thereto, said second web being provided atone end with a flange disposed at right angles to it, the opposite endof the second web having an inclined flange, a wall located between thefirst flange and the inclined flange, the arrangement of the flanges andthe wall resulting in parallel grooves, one of said grooves receiving apane, one side of said pane being disposed against the inclined flangeand the opposite side of the pane being located adjacent to the wall,and the second groove receiving a sealing strip, said strip having apart extending out of the groove and located in contact with the rearface of pane.

References Cited in the file of this patent UNITED STATES PATENTS

